The social and healthcare systems are undergoing a fundamental transformation in service delivery and financing, not only in Germany. The social economy sector encompasses a wide range of professional providers, organizations, and methods of delivering assistance. This book brings together for the first time the guiding principles of the social economy along with the models and financing forms of social management. Additionally, it provides a comprehensive overview of the services and responsibilities of the social economy sector. The first part addresses the theoretical concepts and model orientations of the social economy, its types of organizations, and change management processes. The second part deals with the logic of refinancing social economy organizations - public financing through social benefits and the generation of own funds.